Analysis by Dr. Joseph Mercola STORY AT-A-GLANCE In up to 85% of cases, bad breath originates in the mouth, typically as a result of gingival and periodontal diseases, as well as tongue coating Tongue coating is a “grayish-white deposit” on the tongue, made up of bacteria, dead epithelial cells, blood metabolites, postnasal secretions and saliva People with periodontal disease have four times more tongue coating, in terms of wet weight, than those without The action of chewing fibrous foods helps to naturally cleanse the mouth, reducing tongue coating and bad breath along with it Regularly using a toothbrush or a tongue
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